1 Jan	New Year's Day (England, Wales)
1 Jan	New Year's Day (Scotland)
5 Jan	Twelfth Night
6 Jan	Epiphany
6 Jan	Milad un Nabi (Mawlid)
7 Jan	Orthodox Christmas Day
14 Jan	Orthodox New Year
23 Jan	Lunar New Year
7 Feb	Tu B'Shevat (Arbor Day)
14 Feb	Valentine's Day
20 Feb	Carnival / Shrove Tuesday / Pancake Day
21 Feb	Carnival / Ash Wednesday
1 Mar	St. David's Day (Wales)
8 Mar	Purim
17 Mar	St Patrick's Day (Northern Ireland)
18 Mar	Mother's Day
19 Mar	'St Patrick's Day' day off (Northern Ireland)
1 Apr	Palm Sunday
5 Apr	Maundy Thursday
6 Apr	Good Friday
7 Apr	Holy Saturday
7 Apr	First day of Passover
8 Apr	Easter Sunday
9 Apr	Easter Monday (ENG, NIR, WAL)
13 Apr	Orthodox Good Friday
14 Apr	Last day of Passover
14 Apr	Orthodox Holy Saturday
15 Apr	Orthodox Easter
16 Apr	Orthodox Easter Monday
18 Apr	Yom HaShoah
23 Apr	St. George's Day
23 Apr	Shakespeare Day
10 May	Lag B'Omer
17 May	Ascension Day
19 May	Isra and Mi'raj

27 May	Pentecost
27 May	Shavuot
28 May	Whit Monday
28 May	Spring Bank Holiday
3 Jun	Trinity Sunday
7 Jun	Corpus Christi
21 Jun	Ramadan Start
16 Jul	Laylatul Qadr (Night of Power)
21 Jul	Eid ul Fitr
29 Jul	Tisha B'Av
6 Aug	Summer Bank Holiday
15 Aug	Assumption of Mary
17 Sep	Rosh Hashana
26 Sep	Yom Kippur
27 Sep	Eid al-Adha
1 Oct	First day of Sukkot
4 Oct	Feast of St Francis of Assisi
7 Oct	Hoshana Rabbah
8 Oct	Shemini Atzeret
9 Oct	Simchat Torah
17 Oct	Muharram/Islamic New Year
26 Oct	Ashura
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
2 Dec	First Sunday of Advent
8 Dec	Feast of the Immaculate Conception
10 Dec	First Day of Hanukkah
17 Dec	Last day of Hanukkah
24 Dec	Christmas Eve
25 Dec	Christmas Day
26 Dec	Milad un Nabi (Mawlid)
26 Dec	Boxing Day (England, Wales)
31 Dec	New Year's Eve

Add more holidays/observances: Clock Change Dates | Seasons

	New Moon.		1st Quarter.
	Full Moon.		3rd Quarter.